activity
20122026
most citedA dusty veil shading Betelgeuse during its Great Dimming

101 citations · 891 across the 56 of their papers we have counts for

collaborators

56 papers

astro-ph.IM2026

The future of high-resolution UV spectroscopy: Science with a UV Échelle spectrograph on the Habitable Worlds Observatory, or a dedicated mission

Annalisa De Cia, David Cont, Kevin Heng +39

High-resolution UV spectroscopy serves a diversity of science cases, from small bodies to planets, stars, and galaxies, but is currently limited to the Hubble Space Telescope and b…

astro-ph.GA2026

Effects of temperature-dependent optical properties on the determination of interstellar dust masses

Lapo Fanciullo, Jonathan P. Marshall, Francisca Kemper +2

Accurate measurements of interstellar dust mass are key to answering several astrophysical questions. A common method of obtaining the mass is to fit the far-infrared thermal emiss…

astro-ph.GA2026

JWST NIRCam and MIRI Reveal the Dust-Producing AGB Population of NGC 6822

Conor Nally, Olivia C. Jones, Laura Lenkić +9

We present a photometric catalogue of the Local Group dwarf galaxy NGC 6822 based on deep JWST observations obtained with the Near-Infrared Camera (NIRCam) and Mid-Infrared Instrum…

astro-ph.IM2025

Transformational astrophysics and exoplanet science with Habitable Worlds Observatory's High Resolution Imager

Vincent Van Eylen, Richard Massey, Saeeda Awan +167

Habitable Worlds Observatory (HWO) will be NASA's flagship space telescope of the 2040s, designed to search for life on other planets and to transform broad areas of astrophysics.…

astro-ph.EP2025

Systematic determination of dust properties for a sample of 133 spatially resolved debris discs

J. P. Marshall, S. Hengst, R. Young +6

Determination of the composition and size distribution of dust grains in debris discs is strongly dependent on constraining the underlying spatial distribution of that dust through…

astro-ph.IM2025

{\sc ampere}: A tool to fit heterogeneous observations consistently

P. Scicluna, S. Zeegers, J. P. Marshall +5

As astronomy advances and data becomes more complex, models and inference also become more expensive and complex. In this paper we present {\sc ampere}, which aims to solve this pr…

astro-ph.GA2025★ 1 cited

The Nearby Evolved Stars Survey III: First data release of JCMT CO-line observations

S. H. J. Wallström, P. Scicluna, S. Srinivasan +37

Low- to intermediate-mass (0.88 M) evolved stars contribute significantly to the chemical enrichment of the interstellar medium in the local Universe, making accur…

astro-ph.GA2025★ 4 cited

Investigating silicate, carbon, and water in the diffuse interstellar medium: the first shots from WISCI

S. T. Zeegers, Jonathan P. Marshall, Karl D. Gordon +33

The dusty interstellar medium (ISM) of the Milky Way is distributed in a complex, cloudy structure. It is fundamental to the radiation balance within the Milky Way, provides a reac…

astro-ph.SR2025

The Nearby Evolved Stars Survey (NESS) V: properties of volume-limited samples of Galactic evolved stars

I. McDonald, S. Srinivasan, P. Scicluna +23

We provide a meta-study of the statistical and individual properties of two volume-complete sets of evolved stars in the Solar Neighbourhood: (1) 852 stars from the Nearby Evolved…

astro-ph.IM2024★ 1 cited

The UK Submillimetre and Millimetre Astronomy Roadmap 2024

K. Pattle, P. S. Barry, A. W. Blain +31

In this Roadmap, we present a vision for the future of submillimetre and millimetre astronomy in the United Kingdom over the next decade and beyond. This Roadmap has been developed…

astro-ph.SR2024★ 6 cited

An impressionist view of V Hydrae. When MATISSE paints Asymmetric Giant Blobs

L. Planquart, C. Paladini, A. Jorissen +29

Our purpose is to study the effect of binary companions located within the first 10 stellar radii from the primary AGB star. In this work, we target the mass-losing carbon star V H…

astro-ph.SR2024★ 10 cited

Images of Betelgeuse with VLTI/MATISSE across the Great Dimming

J. Drevon, F. Millour, P. Cruzalèbes +31

From Nov. 2019 to May 2020, the red supergiant star Betelgeuse experienced an unprecedented drop of brightness in the visible domain called the great dimming event. Large atmospher…

astro-ph.EP2023★ 7 cited

Sudden extreme obscuration of a Sun-like main-sequence star: evolution of the circumstellar dust around ASASSN-21qj

Jonathan P. Marshall, Steve Ertel, Francisca Kemper +6

ASASSN-21qj is a distant Sun-like star that recently began an episode of deep dimming events after no prior recorded variability. Here we examine archival and newly obtained optica…

astro-ph.SR2023★ 1 cited

The porous envelope and circumstellar wind matter of the closest carbon star, CW Leonis

Hyosun Kim, Ho-Gyu Lee, Youichi Ohyama +5

Recent abrupt changes of CW Leonis may indicate that we are witnessing the moment that the central carbon star is evolving off the Asymptotic Giant Branch (AGB) and entering into t…

astro-ph.SR2023★ 3 cited

The SN 2023ixf Progenitor in M101: II. Properties

Schuyler D. Van Dyk, Sundar Srinivasan, Jennifer E. Andrews +12

We follow our first paper with an analysis of the ensemble of the extensive pre-explosion ground- and space-based infrared observations of the red supergiant (RSG) progenitor candi…

astro-ph.IM2023★ 1 cited

`pgmuvi`: Quick and easy Gaussian Process Regression for multi-wavelength astronomical timeseries

P. Scicluna, S. Waterval, D. A. Vasquez-Torres +2

Time-domain observations are increasingly important in astronomy, and are often the only way to study certain objects. The volume of time-series data is increasing dramatically as…

astro-ph.SR2023★ 3 cited

The SN 2023ixf Progenitor in M101: I. Infrared Variability

Monika D. Soraisam, Tamás Szalai, Schuyler D. Van Dyk +6

Observational evidence points to a red supergiant (RSG) progenitor for SN 2023ixf. The progenitor candidate has been detected in archival images at wavelengths (>0.6 micron) where…

astro-ph.SR2023★ 10 cited

The dusty circumstellar environment of Betelgeuse during the Great Dimming as seen by VLTI/MATISSE

E. Cannon, M. Montargès, A. de Koter +23

The 'Great Dimming' of the prototypical red supergiant Betelgeuse, which occurred between December 2019 and April 2020, gives us unprecedented insight into the processes occurring…

astro-ph.EP2022★ 8 cited

Evidence for the disruption of a planetary system during the formation of the Helix Nebula

Jonathan P. Marshall, Steve Ertel, Eric Birtcil +5

The persistence of planetary systems after their host stars evolve into their post-main sequence phase is poorly constrained by observations. Many young white dwarf systems exhibit…

astro-ph.SR2022★ 101 cited

A dusty veil shading Betelgeuse during its Great Dimming

M. Montargès, E. Cannon, E. Lagadec +24

Red supergiants are the most common final evolutionary stage of stars that have initial masses between 8 and 35 times that of the Sun. During this stage, which lasts roughly 100,00…

astro-ph.GA2021

The Nearby Evolved Stars Survey II: Constructing a volume-limited sample and first results from the James Clerk Maxwell Telescope

P. Scicluna, F. Kemper, I. McDonald +89

The Nearby Evolved Stars Survey (NESS) is a volume-complete sample of 850 Galactic evolved stars within 3\,kpc at (sub-)mm wavelengths, observed in the CO (21) and…

astro-ph.SR2021★ 8 cited

The contribution by luminous blue variable stars to the dust content of the Magellanic Clouds

C. Agliozzo, N. Phillips, A. Mehner +6

(Shortened) Luminous blue variable stars (LBVs) form dust as a result of episodic, violent mass loss. To investigate their contribution as dust producers in the Magellanic Clouds,…

astro-ph.SR2021★ 6 cited

Multi-epoch Optical Images of IRC+10216 Tell About the Central Star And the Adjacent Environment

Hyosun Kim, Ho-Gyu Lee, Youichi Ohyama +5

Six images of IRC+10216 taken by the Hubble Space Telescope at three epochs in 2001, 2011, and 2016 are compared in the rest frame of the central carbon star. An accurate astrometr…

astro-ph.EP2020★ 12 cited

Polarimetric and radiative transfer modelling of HD 172555

Jonathan P. Marshall, Daniel V. Cotton, Peter Scicluna +3

The debris disc around HD 172555 was recently imaged in near-infrared polarised scattered light by the Very Large Telescope's Spectro-Polarimetric High-contrast Exoplanet REsearch…